#define _CRT_SECURE_NO_WARNINGS 1 
#include<stdio.h>

int main()
{
   char num[] = "0";
   char ch[] = "0";
   char* pa = num;
   char* pb = ch;
   char* p = "xue1xi2C3yu4yang";
   while (*p != '\0')
   {
	   if (*p >= '0' && *p <= '9')
	   {
		   *pa = *p;
		   pa++;
	   }
	   else
	   {
		   *pb = *p;
		   pb++;
	   }
	   p++;
   }
   *pa = '\0';
   *pb = '\0';
   printf("%s\n", num);
   printf("%s\n", ch);
   return 0;
}